Generac — Breakerless Distributor Removal and Assembly
Repair & overhaul · Ignition system
From a Generac service manual covering: CAC478, CAC480, SQR480. Check it applies to your exact model before use.
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Procedure
- Turn the crankshaft to cylinder 1 TDC.
- Check and mark the cylinder head and distributor flange if not already marked.
- Loosen and remove two M6×20 bolts.
- Remove the distributor.
- Remove the distributor O seal.
- Installation: ensure No.1 cylinder is at TDC.
- Install a new O seal.
- Rotate distributor to align the lug with the No.1 cylinder TDC mark on the flange and insert the lug into the camshaft groove.
- Align the mark on the distributor flange with the mark on the cylinder head.
- Tighten the two bolts to 5.0—7.0Nm.
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Distributor bolts: 5.0—7.0Nm
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.